“Why did I decide to do a series?” the 65-year-old former Olympian says in the clip. “I am telling my story…This is about getting to be who you really are.”

“We’re going to talk about everything,” Caitlyn adds. “We’re going to do a lot of fun things for the first time. We’re going to go shopping for the first time. Maybe even some boy stuff, like ride a motorcycle—because girls do that too!”